Note 6 - Summary of Unrealized and Realized Gains and Losses Recognized in Net Income on Equity Securities (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended |
|---|---|---|
Jun. 30, 2024 |
Jun. 30, 2024 |
|
| Equity Securities [Abstract] | ||
| Net (loss) gains recognized during the period on equity securities | $ 1,016 | $ 1,363 |
| Less: Net (losses) gains recognized during the period on equity securities sold during the period | 377 | |
| Net unrealized gains (losses) recognized during the reporting period on equity securities still held at the reporting date | $ 1,016 | $ 986 |